CN114974883A - Capacitor and temperature measuring method - Google Patents
Capacitor and temperature measuring method Download PDFInfo
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- CN114974883A CN114974883A CN202210605423.0A CN202210605423A CN114974883A CN 114974883 A CN114974883 A CN 114974883A CN 202210605423 A CN202210605423 A CN 202210605423A CN 114974883 A CN114974883 A CN 114974883A
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- temperature
- fuse
- measuring sleeve
- temperature measuring
- capacitor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
- H01G2/16—Protection against electric or thermal overload with fusing elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a capacitor and a temperature measuring method, wherein the capacitor comprises a fuse and a temperature measuring sleeve, the temperature measuring sleeve is sleeved outside the fuse, a temperature detecting device is arranged in the temperature measuring sleeve and comprises an induction sheet and a temperature numerical value display area, the induction sheet is attached to the outer surface of a conductive part of the fuse, and the temperature numerical value display area can display the real-time temperature of the induction sheet. Through set up temperature-detecting device on the temperature measurement cover, temperature-detecting device can real-time detection and show the temperature of fuse, makes things convenient for the operation personnel to look over, and when temperature-detecting device detected the temperature of fuse too high, the operation personnel can detect the condenser, conveniently judges whether there is the defect that generates heat in the fuse, in time changes the fuse.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a capacitor and a temperature measuring method of the capacitor.
Background
The high-voltage capacitor has a function of regulating voltage. In the long-term use, the aging speed of the elements of the capacitor may be accelerated due to frequent switching on and off of the capacitor, heat generation during operation, and the like. When the capacitor is damaged by a medium, a capacitor fuse is heated and blown, and the like, the protective gate can trip to perform circuit breaking protection on a circuit, however, the power supply quality can be influenced.
Therefore, the operator on duty needs to frequently troubleshoot the capacitor, but the highest temperature of the fuse during the energization cannot be detected during the troubleshooting, and thus the troubleshooting effect is not ideal. Because the 10kV capacitor bank in operation is unstable, the possibility of explosion exists, and when an operator on duty enters the capacitor chamber to perform patrol temperature measurement, the personal safety cannot be guaranteed.
Disclosure of Invention
One object of an embodiment of the present invention is to: a capacitor is provided, which has a high safety factor.
Another object of an embodiment of the present invention is to: provides a temperature measuring method with high safety coefficient.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first aspect provides a capacitor, including fuse and temperature measurement cover, the temperature measurement cover is established the outside of fuse, be provided with temperature-detecting device in the temperature measurement cover, temperature-detecting device includes response piece and temperature numerical value display area, the response piece with the surface of the electrically conductive position of fuse is hugged closely, temperature numerical value display area can show the real-time temperature of response piece.
As a preferable scheme of the capacitor, an alarm lamp is arranged on the temperature measuring sleeve, and when the temperature detected by the temperature detecting device exceeds a preset value, the alarm lamp is turned on.
As a preferred scheme of the capacitor, the temperature measuring sleeve is transparent, and the alarm lamp is embedded into the temperature measuring sleeve.
As a preferable scheme of the capacitor, the sensing piece is provided with a plurality of sensing pieces, and the plurality of sensing pieces are arranged at intervals.
As a preferred scheme of the capacitor, an installation groove is formed in the inner side surface of the temperature measuring sleeve, the size of one side, close to the fuse, of the sensing piece is smaller than the size of one side, far away from the fuse, of the sensing piece, and the size of the notch of the installation groove is smaller than the size of the bottom of the installation groove, so that the sensing piece is clamped in the installation groove.
As a preferred scheme of the capacitor, the temperature measuring sleeve is made of reversible temperature indicating materials, the inner side face of the temperature measuring sleeve is tightly attached to the conductive part of the fuse, the temperature measuring sleeve changes color when the temperature of the fuse rises, and the color of the temperature measuring sleeve recovers when the temperature of the fuse falls.
As a preferable scheme of the capacitor, the temperature value display area can display the highest temperature of the fuse, the temperature measuring sleeve is provided with a high-temperature color-changing sheet, the high-temperature color-changing sheet is made of an irreversible temperature indicating material, the high-temperature color-changing sheet is tightly attached to a conductive part of the fuse, and when the temperature of the fuse exceeds a preset value, the high-temperature color-changing sheet changes color.
In a second aspect, a temperature measuring method is provided for detecting the capacitor, including the following steps:
sleeving a temperature measuring sleeve on the periphery of the fuse, so that an induction sheet of the temperature detecting device is tightly attached to the outer surface of the fuse;
and starting a monitor, wherein the monitor is connected with a remote control console, the monitor can monitor a temperature value display area of the temperature detection device, and when the indication number of the temperature value display area exceeds a preset value, the remote control console records and reminds.
As a preferred scheme of the temperature measuring method, the temperature measuring sleeve is made of reversible temperature indicating materials, the color of the temperature measuring sleeve is compared with the real-time temperature displayed by the temperature value display area, and if the comparison result is inconsistent, the temperature detecting device fails.
As a preferable scheme of the temperature measuring method, a high temperature color changing sheet is arranged on the temperature measuring sleeve, the high temperature color changing sheet is made of an irreversible temperature indicating material, the temperature value display area can display the highest temperature of the sensing sheet, the color of the high temperature color changing sheet and the highest temperature displayed by the temperature value display area are compared, and if the comparison result is inconsistent, the temperature detecting device fails.
The invention has the beneficial effects that: through set up temperature-detecting device on the temperature measurement cover, temperature-detecting device can real-time detection and show the temperature of fuse, makes things convenient for the operation personnel to look over, and when temperature-detecting device detected the temperature of fuse too high, the operation personnel can detect the condenser, conveniently judges whether there is the defect that generates heat in the fuse, in time changes the fuse.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
FIG. 1 is a schematic diagram of a fuse temperature measuring sleeve according to an embodiment of the invention.
FIG. 2 is a schematic cross-sectional view of a fuse temperature measuring sleeve according to an embodiment of the invention.
FIG. 3 is a schematic cross-sectional view of a fuse temperature measuring sleeve according to a second embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view of a fuse temperature measuring sleeve according to a third embodiment of the present invention.
FIG. 5 is a schematic cross-sectional view of a fuse temperature measuring sleeve according to a fourth embodiment of the present invention.
In the figure:
1. a temperature measuring sleeve; 101. a first half sleeve; 1011. a bump; 102. a second half set; 2. an induction sheet; 3. a temperature detection device; 4. an alarm lamp.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the capacitor provided by the invention comprises a fuse and a temperature measuring sleeve 1, wherein the temperature measuring sleeve 1 is sleeved outside the fuse, a temperature detecting device 3 is arranged in the temperature measuring sleeve 1, the temperature detecting device 3 comprises an induction sheet 2 and a temperature value display area, the induction sheet 2 is attached to the outer surface of a conductive part of the fuse, and the temperature value display area can display the real-time temperature of the induction sheet 2. Through setting up temperature-detecting device 3 on temperature measurement cover 1, temperature-detecting device 3 can real-time detection and show the temperature of fuse, makes things convenient for the operation personnel to look over, and when temperature-detecting device 3 detected the temperature of fuse too high, the operation personnel can detect the condenser, conveniently judges whether there is the defect that generates heat in the fuse, in time changes the fuse.
Specifically, the temperature measuring sleeve 1 is provided with a warning lamp 4, and when the temperature detected by the temperature detecting device 3 exceeds a preset value, the warning lamp 4 is turned on. It can be understood that the display range of the temperature value display area of the temperature detection device 3 is limited, and the operator needs to be close to see the indication number of the temperature value display area of the temperature detection device 3; set up alarm lamp 4, the operation personnel can find that the fuse has the trouble under remote circumstances to can change the fuse immediately, improve the efficiency of detection maintenance operation.
Referring to fig. 4, in an embodiment, the temperature measuring sleeve 1 is transparent, and the alarm lamp 4 is embedded in the temperature measuring sleeve 1. When the alarm lamp 4 in the temperature measuring sleeve 1 emits light, the light emitted by the alarm lamp 4 can penetrate through the temperature measuring sleeve 1, so that light alarm is realized; through setting up transparent temperature sleeve 1, can imbed alarm lamp 4 in the inside of temperature sleeve 1, can reduce the whole size of temperature sleeve 1 like this. In this embodiment, when the temperature of the sensing piece 2 exceeds 60 ℃, the alarm lamp 4 is turned on.
Specifically, the sensing piece 2 is provided with a plurality of, and a plurality of sensing pieces 2 are arranged at intervals. Through setting up a plurality of response pieces 2, increase the quantity of response piece 2, can carry out the multiple spot to the fuse and detect, as long as fuse local temperature is higher, can be detected by response piece 2, can improve the accuracy of testing result like this.
Specifically, the medial surface of temperature measurement cover 1 is provided with the mounting groove, and the size that response piece 2 is close to fuse one side is less than the size that response piece 2 keeps away from fuse one side, and the size of mounting groove notch is less than the size of mounting groove tank bottom to make 2 chucking of response piece in the mounting groove. The size through setting up the mounting groove notch is less than the size of mounting groove tank bottom, can be so that response piece 2 can the chucking in the mounting groove, realizes responding to piece 2 and temperature measurement cover 1 fixed, reduces the use of parts such as glue, reduces the thermal scattering and disappearing on the response piece 2 for the heat on the response piece 2 transmits to temperature-detecting device 3 as far as possible.
In another embodiment, the temperature measuring sleeve 1 is made of reversible temperature indicating materials, the inner side surface of the temperature measuring sleeve 1 is tightly attached to the conductive part of the fuse, when the temperature of the fuse is increased, the temperature measuring sleeve 1 changes color, and when the temperature of the fuse is decreased, the color of the temperature measuring sleeve 1 is recovered. At this moment, the color change of the temperature measuring sleeve 1 is based on the influence of temperature on materials and belongs to physical change, the temperature detection device 3 is used for detecting the temperature based on circuit feedback, the temperature measuring sleeve 1 made of reversible temperature indicating materials is arranged, the temperature of the fuse can be measured through different ways, of course, the color change of the temperature measuring sleeve 1 can only indicate that the temperature of the fuse is within a certain interval range, and the specific temperature of the fuse cannot be accurately measured, so that whether the fuse has faults or not can be judged according to the detection results of the color of the temperature measuring sleeve 1 and the temperature detection device 3. The main components of the reversible temperature indicating material adopted in the embodiment comprise aniline and hexadecanol.
Specifically, the temperature numerical value display area can display the highest temperature of the fuse, the temperature measuring sleeve 1 is provided with a high-temperature color changing sheet, the high-temperature color changing sheet is made of an irreversible temperature indicating material, the high-temperature color changing sheet is tightly attached to a conductive part of the fuse, and when the temperature of the fuse exceeds a preset value, the high-temperature color changing sheet changes color. Through setting up the high temperature color-changing piece, can record the highest temperature of fuse through physical change, can carry out temperature measurement to the fuse through the different ways like this, of course, the change of high temperature color-changing piece colour can only show that the temperature of fuse exceeds the default, can not the specific temperature of accurate measurement fuse, consequently, can combine high temperature color-changing piece colour and temperature-detecting device 3 two's testing result to judge whether the fuse has the trouble. The formula of the irreversible temperature indicating material used in the embodiment is as follows: 0.2g of cobalt sulfate, 0.6g of copper sulfate, 0.6g of manganese sulfate, 0.2g of alumina, 0.2g of titanium oxide, 0.4g of talcum powder, 0.4g of kaolin and 2.4g of epoxy resin.
Specifically, the temperature measuring sleeve 1 comprises a first half sleeve 101 and a second half sleeve 102, wherein one side of the first half sleeve 101 is hinged with one side of the second half sleeve 102, and the other side of the first half sleeve 101 is detachably connected with the other side of the second half sleeve 102. Through setting up half first cover 101 and half second cover 102, can conveniently fix temperature measuring sleeve 1 on the fuse, avoid tearing the fuse when installing temperature measuring sleeve 1.
Specifically, the first half sleeve 101 is provided with a convex block 1011, the second half sleeve 102 is provided with a groove, the size of the groove opening of the groove is smaller than that of the bottom of the groove, the convex block 1011 is inserted into the groove, and the shape of the convex block 1011 is matched with that of the groove. Through setting up lug 1011 and recess, first half cover 101 and second half cover 102 can peg graft fixedly, and the size through setting up the recess notch is less than the size of recess tank bottom, can be so that lug 1011 can be fixed in the recess, avoids first half cover 101 and the separation of second half cover 102. In other embodiments, a snap-fit structure may be used to connect the first half-sleeve 101 and the second half-sleeve 102.
Referring to fig. 5, the second half shell 102 is preferably thickened at a position corresponding to the groove, so as to improve the local strength of the second half shell 102 and avoid the groove from deforming.
The embodiment also provides a temperature measurement method for detecting the capacitor of the embodiment, which includes the following steps:
sleeving the temperature measuring sleeve 1 on the periphery of the fuse, and enabling the sensing piece 2 of the temperature detection device 3 to be tightly attached to the outer surface of the fuse;
the start-up watch-dog, the watch-dog is connected with remote control platform, and the watch-dog can monitor temperature-detecting device 3's temperature value display area, and when the registration of temperature value display area exceeded 60 ℃, remote control platform record and reminded.
Carry out remote monitoring to the condenser through remote control platform, the operation personnel can not go to the condenser room and carry out the inspection on the spot, and the operation and maintenance time of operation personnel in the condenser room that has significantly reduced reduces the personal risk that equipment trouble probably caused.
Specifically, the temperature detection device 3 is electrically connected with the central control system, and when the readings of the temperature detection device 3 exceed a preset value, the central control system gives an alarm. Therefore, the temperature abnormality of the fuse can be found in the first time, so that the fuse can be replaced in time, and the stable operation of the capacitor is ensured.
In this embodiment, the temperature measuring sleeve 1 is made of a reversible temperature indicating material, and can compare the color of the temperature measuring sleeve 1 with the real-time temperature displayed in the temperature value display area, and if the comparison result is inconsistent, it can be determined that the temperature detecting device 3 has a fault. It can be understood that the change of the color of the temperature measuring sleeve 1 is based on physical reaction, the temperature detecting device 3 is used for measuring the temperature based on circuit feedback, and the probability of the detection result defect generated by the physical change is far lower than the detection defect generated by the circuit fault, so that whether the temperature detecting device 3 has the fault or not can be preliminarily judged through the color of the temperature measuring sleeve 1, and whether the heating defect exists in the fuse or not can be further judged.
Specifically, still be provided with the high temperature color changing piece on the temperature measurement cover 1, the high temperature color changing piece is made by irreversible temperature indicating material, and the temperature numerical value display area can show the highest temperature of response piece 2, compares the color of high temperature color changing piece and the highest temperature that the temperature numerical value display area shows, if the comparison result is inconsistent, can judge that temperature-detecting device 3 breaks down. The color of high temperature discolour piece can follow the change of temperature and change, and temperature-detecting device carries out temperature measurement based on the circuit feedback, and the probability that physical change produced the testing result defect is less than the detection defect that circuit trouble produced far away, consequently, can come preliminary judgement temperature-detecting device 3 through the color of high temperature discolour piece whether have the trouble, and then judge whether there is the defect that generates heat of fuse.
Specifically, when the indication of the temperature value display area exceeds 60 ℃, the remote console records the time length for which the indication of the temperature value display area exceeds 60 ℃. It can be understood that when the voltage of the whole circuit changes greatly in a certain moment, the voltage of the capacitor also changes correspondingly, and the heating value of the fuse is also understandable in the moment, and whether the capacitor fuse has a fault can be conveniently judged by recording the duration that the indication of the temperature value display area exceeds 60 ℃, for example, when the heating duration of the fuse is only 30 seconds, it can be judged that the fuse generates heat due to the change of the circuit voltage, the fuse itself has no question of a defect, and if the heating time of the fuse reaches 8 hours, it can be judged that the fuse has a heating defect and needs to be replaced in time. In this embodiment, when the temperature detection device 3 detects that the heating time of the fuse exceeds 30 minutes, it can be determined that the fuse has a heating fault.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The capacitor is characterized by comprising a fuse and a temperature measuring sleeve, wherein the temperature measuring sleeve is sleeved outside the fuse, a temperature detecting device is arranged in the temperature measuring sleeve and comprises an induction sheet and a temperature value display area, the induction sheet is tightly attached to the outer surface of a conductive part of the fuse, and the temperature value display area can display the real-time temperature of the induction sheet.
2. The capacitor as claimed in claim 1, wherein a warning lamp is provided on the temperature measuring sleeve, and the warning lamp is turned on when the temperature detected by the temperature detecting means exceeds a preset value.
3. The capacitor of claim 2, wherein the temperature measuring sleeve is transparent and the alarm lamp is embedded in the temperature measuring sleeve.
4. The capacitor of claim 1, wherein said sensing piece is provided in plurality, and said plurality of sensing pieces are arranged at intervals.
5. The capacitor as claimed in claim 1, wherein the inner side of the temperature measuring sleeve is provided with a mounting groove, the dimension of the side of the sensing piece close to the fuse is smaller than the dimension of the side of the sensing piece far away from the fuse, and the dimension of the notch of the mounting groove is smaller than the dimension of the bottom of the mounting groove, so that the sensing piece is clamped in the mounting groove.
6. The capacitor of claim 1, wherein the temperature measuring sleeve is made of a reversible temperature indicating material, the inner side surface of the temperature measuring sleeve is tightly attached to the conductive part of the fuse, the temperature measuring sleeve changes color when the temperature of the fuse rises, and the color of the temperature measuring sleeve recovers when the temperature of the fuse falls.
7. The capacitor according to claim 1 or 6, wherein the temperature value display area can display the highest temperature of the fuse, the temperature measuring sleeve is provided with a high temperature color changing sheet, the high temperature color changing sheet is made of an irreversible temperature indicating material, the high temperature color changing sheet is tightly attached to a conductive part of the fuse, and when the temperature of the fuse exceeds a preset value, the high temperature color changing sheet changes color.
8. A method for measuring temperature for testing the capacitor according to any one of claims 1-7, comprising the steps of:
sleeving a temperature measuring sleeve on the periphery of the fuse, so that an induction sheet of the temperature detecting device is tightly attached to the outer surface of the fuse;
and starting a monitor, wherein the monitor is connected with a remote control console, the monitor can monitor a temperature value display area of the temperature detection device, and when the indication number of the temperature value display area exceeds a preset value, the remote control console records and reminds.
9. The method according to claim 8, wherein the sleeve is made of a reversible temperature indicating material, the color of the sleeve is compared with the real-time temperature displayed in the temperature value display area, and if the comparison result is inconsistent, the temperature detecting device fails.
10. The temperature measuring method according to claim 8 or 9, wherein a high temperature color changing sheet is arranged on the temperature measuring sleeve, the high temperature color changing sheet is made of an irreversible temperature indicating material, the temperature value display area can display the highest temperature of the sensing sheet, the color of the high temperature color changing sheet is compared with the highest temperature displayed by the temperature value display area, and if the comparison result is inconsistent, the temperature detecting device fails.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210605423.0A CN114974883A (en) | 2022-05-30 | 2022-05-30 | Capacitor and temperature measuring method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210605423.0A CN114974883A (en) | 2022-05-30 | 2022-05-30 | Capacitor and temperature measuring method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205319033U (en) * | 2016-01-25 | 2016-06-15 | 许诚义 | Condenser with cross thermal safety protection |
| CN206442130U (en) * | 2016-12-05 | 2017-08-25 | 深圳无限能源科技有限公司 | Power battery charging protection device |
| CN108508321A (en) * | 2018-04-02 | 2018-09-07 | 东莞理工学院 | A kind of intelligent early-warning fuse and the method for preparing early warning fuse burned-out core |
| CN207993793U (en) * | 2017-10-27 | 2018-10-19 | 上海汽车集团股份有限公司 | A kind of intelligent fuse |
-
2022
- 2022-05-30 CN CN202210605423.0A patent/CN114974883A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205319033U (en) * | 2016-01-25 | 2016-06-15 | 许诚义 | Condenser with cross thermal safety protection |
| CN206442130U (en) * | 2016-12-05 | 2017-08-25 | 深圳无限能源科技有限公司 | Power battery charging protection device |
| CN207993793U (en) * | 2017-10-27 | 2018-10-19 | 上海汽车集团股份有限公司 | A kind of intelligent fuse |
| CN108508321A (en) * | 2018-04-02 | 2018-09-07 | 东莞理工学院 | A kind of intelligent early-warning fuse and the method for preparing early warning fuse burned-out core |
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